A method of combating phytopathogenic diseases on plants and harvested food crops which comprises applying to a plant, to the seed of a plant, to the locus of the plant or seed or to a harvested food crop a fungicidally effective amount of a compound of the general formula (1), and fungicidals compositions containing these compounds.
Cephalosporin derivatives
申请人:Imperial Chemical Industries plc
公开号:US05049558A1
公开(公告)日:1991-09-17
A cephalosporin derivative of the formula I: ##STR1## in which X is ##STR2## represents one of C-7 acyl groups known in the cephalosporin art, R3 is hydrogen or methoxy, R4 is hydrogen, optionally substituted alkyl or allyl, and R5 is an aromatic heterocyclic ring system which is linked via carbon, and which contains a quaternized nitrogen atom.